Home / 25,462.20-38,185.92-8,821.56

Finding the Fourth Proportional to 25,462.20, 38,185.92 and 8,821.56

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Solution

The fourth proportional to 25,462.20, 38,185.92 and 8,821.56 is: 13,229.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,462.20 : 38,185.92 = 8,821.56 : x
  2. Step 2: Convert to fraction form
    25,462.20/38,185.92 = 8,821.56/x
  3. Step 3: Cross multiply
    25,462.20x = 38,185.92 × 8,821.56
  4. Step 4: Simplify right side
    25,462.20x = 336,859,384.44
  5. Step 5: Solve for x
    x = 336,859,384.44/25,462.20
  6. Step 6: Final answer
    x = 13,229.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.